Multimedia device for Chinese teaching

The utility model discloses a multimedia device for Chinese teaching. The multimedia device comprises a first plate, a fixed plate, a movable plate, a teaching flat plate, a teaching display screen, afixed structure and a cleaning structure. The fixing structure comprises a sliding rail, a connectin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LI DAOFU
Format: Patent
Sprache:chi ; eng
Schlagworte:
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